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<h3>QTopo - Drawing modes</h3>
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The drawing window has three operating modes:
<ul>
<li><i>Select</i> mode. In this mode you can select
station points and shots. Only the selected station point are
written in the therion scrap. You need at least to select 
two station points to properly scale and orient the scrap in
Therion.
To select a <i>station</i>
point click on its number; the point will be marked
with a cross.
</li>
<li><i>Point insert</i> mode. In this mode you can draw
therion points other than <i>station</i>.</li>
<li><i>Line insert</i> mode. in this mode you can draw
therion lines.</li>
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You switch mode with the <i>Mode</i> command button.
It brings up the mode switch dialog. The three round buttons
denote the operating mode. With the two option list you select the
point type or the line type. When you select a point type, the dialog
switches automatically to <i>Point insert</i> mode.
Similarly, if you select a line type it switches to
<i>Line insert</i> mode. With the orientation dial you choose the
orienttation of orientable points (<i>entrance</i>, 
<i>air-draught</i>, and <i>water-flow</i>).
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<img src="../images/qtplotmode.jpg"> 
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<a href="qtplot.htm">Drawing window</a><br>
<a href="qtplotpoints.htm">Points</a><br>
<a href="qtplotlines.htm">Lines</a><br>
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<a href="qtplotbuttons.htm">Commands</a><br>

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